NSK Bearing NU 1007 E

06/14/2020

Home air conditioning is not cooling, still looking for someone to repair at a high price Here teach you how to repair!

Home air conditioning is not cooling, still looking for someone to repair at a high price Here teach you how to repair!

06/14/2020

Method for preventing reverse rotation of refrigeration compressor in cold storage

Method for preventing reverse rotation of refrigeration compressor in cold storage It is strictly forbidden to reverse after the refrigeration compressor of the cold store stops. When the compressor rotor is stationary, a large volume of process gas rema器2䀀
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06/14/2020

The most comprehensive analysis of the advantages and disadvantages of these five compressors is worth a look

There are five main types of compressors, piston compressors, rolling rotor compressors, turbo compressors, screw compressors, and centrifugal compressors. This article briefly introduces the advantages and disadvantages of various compressors.

09/10/2020

Application of screw air compressor in power industry

Electricity is one of the most important energy sources in a country, and it is also the lifeblood of national economic construction and daily life. No matter what form of power generation is used, compressed air is inseparable in the power station.

08/17/2020

The heat pump is prone to frost between +4~-4℃. The symptoms and reasons are not beyond these 10 points.

The air source heat pump can use the low-grade heat energy in the ambient air, so it has the dual advantages of energy saving and environmental protection. However, one of the problems is that

09/16/2022

Hydraulic Pumps：Types and Pros ＆ Cons

A hydraulic pump is the power component of the hydraulic system, which mainly plays the role of pressurizing the liquid, and is widely used in the metallurgical industry

08/24/2020

Problems related to refrigerant charging

Computer room air conditioning units are generally charged with refrigerant at the installation site. There are two main methods for refrigerant charging: weighing method and observation pressure method.

09/18/2020

Copeland compressor semi-closed series product introduction

L, C, 3S, 4S, 6S Copeland semi-hermetic refrigeration compressors are high-quality and high-performance products produced by advanced technology and equipment. The air-cooled condenser adopts secondary flanged fins and mechanical tube expansion technology.

07/27/2020

The use and maintenance operation of screw unit

Parallel unit: generally composed of the same type of compressor, but also can be composed of different types of compressors. It can be composed of the same type of compressor, or it can be composed of different types of compressors (such as piston machine + screw machine). As shown below:

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth